At the WWDC in San Francisco today, Steve Jobs announced the new iPhone 3G coming this July 11th. He also announces that a new version of the iPhone operating software will be available on the new iPhone and to the current iPhone users for free. Here is more info on the software:

With the iPhone 2.0 Software Update, your iPhone will do even more. Extend its capabilities with innovative applications you download directly from the new App Store. Get push email, calendar, and contacts from your Microsoft Exchange server at work. And use great new features in Mail, Contacts, and other applications. Free in the next update.

Applications for iPhoneiPhone applications are unlike anything you?ve ever seen on a mobile phone. That?s because they leverage all the groundbreaking technologies in iPhone ? like the accelerometer, Multi-Touch, 3D positional sound, and GPS. And they?re only a tap away at the App Store.

iPhone in EnterpriseWith support for Microsoft Exchange ActiveSync, iPhone 3G delivers push email, calendar, and contacts. And it uses enterprise-grade networking with Cisco IPSec VPN and WPA2 Enterprise support. So now the most revolutionary mobile device ever is also the ideal phone for business.

MobileMe SupportWith a MobileMe subscription, all your information stays up to date everywhere. Get push email, calendar, and contacts on your iPhone and any computer. Changes you make on one device are pushed to the MobileMe ?cloud,? then back to every device you use. Automatically.

Better Email ManagementNow it?s even easier to keep your inbox organized. The latest iPhone update adds support for mass email move and delete. So you can delete many messages at once and organize groups of messages by moving them into different mail folders.

Contacts SearchHave a lot of names in your address book? Type a name into the new Contacts search field and iPhone shows you matching names. If you use iPhone with Microsoft Exchange, you can even look up contacts in your company?s Global Address List (GAL).

Email Attachment SupportiPhone ? which already reads more than a dozen file formats ? now displays iWork and Microsoft PowerPoint files. Open them in email and view them on your iPhone.

Scientific CalculatorThe iPhone 2.0 Software Update adds new features to the calculator. Rotate iPhone for a sophisticated scientific calculator with functions for solving complex scientific and mathematic problems.